Multistack MS010XC Page 40 Installation Operation & Maintenance Download

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MS-IOM-001 0317

Supersedes MS-IOM-001 0117

FWB

1065 Maple Avenue P.O. Box 510 Sparta, WI 54656

Phone 608-366-2400 • [email protected]

www.multistack.com

Summary of Contents for MS010XC

Page 1: ...Modular Water Cooled Chillers Installation Operation Maintenance MS010XC MS015XC MS020XC MS030XC MS040XC MS050XC MS070XC MS085XC Standard and Total Access Modules...

Page 2: ...t be followed This equipment must not be installed near an open flame per local codes and ASHRAE specifications Personnel servicing Multistack modular chillers must have at minimum a Class II EPA cert...

Page 3: ...al codes DANGER Incorrect handling of HVAC equipment can result in explosions electrical shock or fire causing property damage injury and or fatality DANGER HVAC liquids and chemicals can be dangerous...

Page 4: ...cu Ni E Double wall brazed V Other Model Number Nomenclature Unit Nameplate The chiller nameplate is located on the front of the control panel Use the unit model number nomenclature to identify speci...

Page 5: ...stack sTotal Access option makes maintenance and serviceability even easier by placing heat exchangers at the outside of the module frame Manual isolation valves are factory installed Total Access uni...

Page 6: ...compressors with separate refrigeration circuits Each refrigerant circuit has a high pressure HP and low pressure LP transducer that sends pressure signals to the module slave controller board Each co...

Page 7: ...pipes on the condenser side During factory run testing the valves are adjusted to maintain 10 12 degrees superheat Check the superheat periodically to maintain this range Subcooling should normally be...

Page 8: ...Storage gal 1 1 2 2 2 2 2 9 6 6 6 6 10 1 12 3 Circuit Configuration Dual Dual Dual Dual Dual Dual Dual Dual Quantity 1 1 1 1 1 1 1 1 Header System gal 7 7 7 7 7 7 7 14 Refrigerant Type R410A Charge lb...

Page 9: ...check the overall condition of the equipment for damage such as broken copper lines oil leaks damaged controls and or electrical component housing or any major component torn loose from its mounting...

Page 10: ...SensorWells 42 30 Mesh Filter Strainer May be shipped separately to sales office or job site Shipped inside 19 Junction Box 18 19 20 21 22 23 24 25 26 27 28 29 30 31 33 37 33 34 35 36 37 39 39 40 41...

Page 11: ...mended clearances around the modular chiller There must be a minimum of six inches clearance over the top of the chiller including the top of master controller if installed on top of the module For sp...

Page 12: ...of sample customer installation Enclosure panels are optional Module Dimensions No Panels Width A Depth B Height C Standard 28 47 5 8 64 Total Access MS010 050 32 56 67 Total Access MS070 34 56 67 Ext...

Page 13: ...rs and Condensers Module Dimensions No Panels Width A Depth B Height C Standard 28 47 5 8 64 Total Access MS010 050 32 56 67 Total Access MS070 34 56 67 Extended Headers 28 62 1 8 64 Extended Headers...

Page 14: ...aders on Condensers Module Dimensions No Panels Width A Depth B Height C Standard 28 47 5 8 64 Total Access MS010 050 32 56 67 Total Access MS070 34 56 67 Extended Headers 28 62 1 8 64 Extended Header...

Page 15: ...Headers on Evaporators Module Dimensions No Panels Width A Depth B Height C Standard 28 47 5 8 64 Total Access MS010 050 32 56 67 Total Access MS070 34 56 67 Extended Headers 28 62 1 8 64 Extended Hea...

Page 16: ...ns No Panels Width A Depth B Height C Standard 28 47 5 8 64 Total Access MS010 050 32 56 67 Total Access MS070 34 56 67 Extended Headers 28 62 1 8 64 Extended Headers 28 76 5 8 64 Standardized drawing...

Page 17: ...installed across the pump to verify operation Multistack recommends a paddle type switch be installed in the leaving chilled water piping using a differential pressure switch Install it across the in...

Page 18: ...all take no less than six hours or until the strainers are clean after flushing Old pipe systems with heavy encrustation shall be flushed a minimum of 24 hours and may require as much as 48 hours befo...

Page 19: ...be at the same end or opposite ends depending upon jobsite requirements 2 Chiller modules are to be mounted on 4 x 4 x 4 inch steel rails or equivalent 21 inches center to center 3 Place 4 x 4 x 3 8 i...

Page 20: ...Lubricate gaskets with solid vegetable shortening or other non petroleum based lubricant 10 Slide modules together lining up footing holes Install bottom joining bolts 11 Install top joining bolts 12...

Page 21: ...er blank ends starting at bottom then move to the top blank that includes drain valves evaporator shown 16 Install filter stop rings on module closest to piping take off The 9 inch long pipe stubs sup...

Page 22: ...shown MultistackTotal Access modular chillers are assembled into chiller arrays in the same manner as non Total Access modules as shown on Pgs 19 21 Grooved flange water connections onTotal Access ch...

Page 23: ...ultiflush System Assembly The following procedure describes installation of the Multiflush automatic debris removal system This system is used periodically to remove dirt and debris from the from the...

Page 24: ...al Junction Box Junction Box Support Leg 1 Attach the electrical junction box support Line up the orange posts to ensure support is not backwards The threaded plate slides in between frame 2 The elect...

Page 25: ...ommends using Lines 1 and 3 7 Follow the procedure in Step 5 to complete installation of Lines 1 and 2 8 Follow the procedure in Step 5 to complete installation of Lines 1 and 2 9 With all three lines...

Page 26: ...re performing any maintenance or service The unit may have more than one electrical power supply Assume all electrical wires are live energized wires Use lockout tagouts Module wiring connections to t...

Page 27: ...to change product design literature and specifica tions without notice DANGER To avoid the risk of electrical shock personal injury or death disconnect all electrical power to the unit before perform...

Page 28: ...LA1 RLA2 RLA3 2 Fuse Sizing Maximum Fuse MF Type RK5 Fuse MF 2 25 x RLA1 RLA2 RLA3 Where MF does not equal a standard size fuse the next larger size fuse should be used NOTES A RLA1 RLAofthelargestcom...

Page 29: ...33 1 8 inch pieces on bottom Use T connectors in front middle The four corner connectors go on top front and rear 4 Install two long frames over spindle posts vertically in rear buss bar side Attach...

Page 30: ...ris q q q Flow or differential pressure switch installed q q q ELECTRICAL Yes No N A Power wiring complete and in accordance with nameplate rating on Multistack unit and prepared for connec tion in ac...

Page 31: ...ED _____ CONDENSER _____ 6 Operation of flow or differential switches with reduction of 50 P___________ 8 Condenser 3 way by pass valve YES NO Ifyes Temperaturesetpoint _____ F 9 System strainers inst...

Page 32: ...sh PRG UP but tons Measured Readings 1 CHW P Drop______________________ 2 CW P Drop_______________________ Factory Setup 1 ProgramType___________________ 2 ChillerType____________________ 3 Refrigeran...

Page 33: ...elow the LCHW Set point that compressors are staged on and off 3 The LCHW Stage Off delay is defaulted to 30 seconds with a 5 to 180 second range This allows for a delay between the shutting off of co...

Page 34: ...er set point and system cleanliness Standard operating conditions with 95 F leaving condenser water and 45 F leaving chilled water temperature are discharge pressure at 325 psig 102 F saturated and su...

Page 35: ...pes 4 Slowly open the top butterfly gate valve allowing water to flow through the condensers and onto the floor for approximately 30 seconds This will push out any debris trapped in the bottom of the...

Page 36: ...ual maintenance requirements for Multistack Chillers involve proper shut down of the machine and cleaning of the heat exchangers The Preventative Maintenance bulletin MAINT 002 0416 and Heat Exchanger...

Page 37: ...uction sensor Check set points in system variables Check for flow restriction Waiting For Condenser Water Flow Check CW pump Check flow switch operation Check filter strainers CheckTB11 inputs 3 8 Com...

Page 38: ...Date Status Suct Press Head Press Suct Temp LoChwTemp Fault if any Comp 1 Comp 2 Comp 3 Comp 4 Comp 5 Comp 6 Comp 7 Comp 8 Comp 9 Comp 10 Comp 11 Comp 12 System Ent Chw Lvg Chw Ent CW Lvg CW Demand Ca...

Page 39: ...Date Status Suct Press Head Press Suct Temp LoChwTemp Fault if any Comp 1 Comp 2 Comp 3 Comp 4 Comp 5 Comp 6 Comp 7 Comp 8 Comp 9 Comp 10 Comp 11 Comp 12 System Ent Chw Lvg Chw Ent CW Lvg CW Demand Ca...

Page 40: ...MS IOM 001 0317 Supersedes MS IOM 001 0117 FWB 1065MapleAvenueP O Box510Sparta WI54656 Phone608 366 2400 info multistack com www multistack com...

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